Hair dryer



FIG. 1 is a perspective view of a hair dryer showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines depicting portions of the hair dryer in the drawings are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a hair dryer, as shown and described. 